哈勃太空望远镜对31个星系之中的造高空作业平台父变星(Cepheid variable)举行了权势巨子的研究,这类恒 东坝搬家公司 星与众差别的脉动透露了它们的本征亮度,袒暴露它们的间隔.
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N any of a class of variable stars with regular cycles of variations in luminosity (most ranging from three to fifty days). There is a relationship between the periods of variation and the absolute magnitudes, which is used for measuring the distance of such stars 造父变星 [astronomy]
Another type of standard candle is a type of star called a Cepheid variable.
另一种标准烛光是一种叫做造父变星的恒星。
His first great discovery was made when he recognized a Cepheid variable star.
他的首次重大发现产生于他认识了一颗造父变星的时候。
They discovered almost 800 Cepheid variable stars, a special class of pulsating star used for accurate distance measurement.
他们发现了差不多800个造父变星，一种用于准确测量距离的特殊变星。
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